Quadratic Formula

Watch the videos below. Then, write a few sentences about each video to explain what you learned and/or questions that you might have.

Zero Product property:
http://www.youtube.com/watch?v=7yla9oGw40Q
http://www.youtube.com/watch?v=dwCpQm9k2VI

Quadratic Formula:
http://www.youtube.com/watch?v=O8ezDEk3qCg
http://www.youtube.com/watch?v=H_7lNT9oDzI